/*
 * ESPRESSIF MIT License
 *
 * Copyright (c) 2016 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
 *
 * Permission is hereby granted for use on ESPRESSIF SYSTEMS ESP8266 only, in which case,
 * it is free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the Software is furnished
 * to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or
 * substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 */

#pragma once

#include <string.h>
#include <stdarg.h>
#include "os_type.h"
#include "ets_sys.h"
#include <esp_attr.h>

#ifdef __cplusplus
extern "C" {
#endif

void ets_bzero(void* s, size_t n);
void ets_delay_us(uint32_t us);
void ets_install_putc1(void (*p)(char c));

#define os_bzero ets_bzero
#define os_delay_us ets_delay_us
#define os_install_putc1 ets_install_putc1

int ets_memcmp(const void* str1, const void* str2, unsigned int nbyte);
void* ets_memcpy(void* dest, const void* src, unsigned int nbyte);
void* ets_memmove(void* dest, const void* src, unsigned int nbyte);
void* ets_memset(void* dest, int val, unsigned int nbyte);

int ets_strcmp(const char* s1, const char* s2);
char* ets_strcpy(char* s1, const char* s2);
int ets_strlen(const char* s);
int ets_strncmp(const char* s1, const char* s2, unsigned int n);
char* ets_strncpy(char* s1, const char* s2, unsigned int n);
char* ets_strstr(const char* s1, const char* s2);

#define os_memcmp ets_memcmp
#define os_memcpy ets_memcpy
#define os_memmove ets_memmove
#define os_memset ets_memset
#define os_strcat strcat
#define os_strchr strchr
#define os_strcmp ets_strcmp
#define os_strcpy ets_strcpy
#define os_strlen ets_strlen
#define os_strncmp ets_strncmp
#define os_strncpy ets_strncpy
#define os_strstr ets_strstr

void ets_timer_arm_new(os_timer_t* ptimer, uint32_t time, bool repeat_flag, bool ms_flag);
void ets_timer_disarm(os_timer_t* ptimer);
void ets_timer_setfn(os_timer_t* ptimer, os_timer_func_t* pfunction, void* parg);

#ifdef USE_US_TIMER
#define os_timer_arm_us(a, b, c) ets_timer_arm_new(a, b, c, 0)
#endif
#define os_timer_arm(a, b, c) ets_timer_arm_new(a, b, c, 1)
#define os_timer_disarm ets_timer_disarm
#define os_timer_setfn ets_timer_setfn

int ets_vprintf (int (*print_function)(int), const char * format, va_list arg) __attribute__ ((format (printf, 2, 0)));
int ets_sprintf(char* str, const char* format, ...) __attribute__((format(printf, 2, 3)));
int os_printf_plus(const char* format, ...) __attribute__((format(printf, 1, 2)));
int ets_snprintf(char* str, unsigned int size, const char* format, ...) __attribute__((format(printf, 3, 4)));
int ets_putc(int);
int ets_write_char(int ch);

#define os_sprintf_plus ets_sprintf
#define os_sprintf(buf, fmt, ...) os_sprintf_plus(buf, fmt, ##__VA_ARGS__)

#define os_snprintf_plus ets_snprintf
#define os_snprintf(buf, size, fmt, ...) os_snprintf_plus(buf, size, fmt, ##__VA_ARGS__)

#ifdef USE_OPTIMIZE_PRINTF
#define os_printf(fmt, ...)                                                                                            \
	do {                                                                                                               \
		static const char flash_str[] ICACHE_RODATA_ATTR STORE_ATTR = fmt;                                             \
		os_printf_plus(flash_str, ##__VA_ARGS__);                                                                      \
	} while(0)
#else
#define os_printf os_printf_plus
#endif

unsigned long os_random(void);
int os_get_random(unsigned char* buf, size_t len);

#ifdef __cplusplus
}
#endif
